US Area Code
641
North-Central Iowa · Iowa
Area code 641 serves Mason City, Marshalltown, Ames and surrounding areas in Iowa. Look up any 641 number below to check for spam, see caller ID, carrier, and line type.
Area Code Details
- State / Territory
- Iowa
- Region
- North-Central Iowa
- Major Cities
- Mason City, Marshalltown, Ames
- Timezone
- Central Time
- Country
- United States
- Format
- +1 (641) XXX-XXXX